shithub: mc

ref: 63405aa8ca5abcca5cf1b1abb4c0b3648aa5bfc4
dir: /lib/std/strsplit.myr/

use "alloc"
use "chartype"
use "die"
use "extremum"
use "option"
use "slpush"
use "strfind"
use "types"
use "utf"

pkg std =
	const strsplit	: (s : byte[:], delim : byte[:] -> byte[:][:])
	const strtok	: (s : byte[:] -> byte[:][:])
;;

extern const put	: (fmt : byte[:], args : ... -> size)

const strsplit = {s, delim
	var last
	var sp

	sp = [][:]
	if s.len == 0
		-> sp
	;;
	last = 0
	while true
		match strfind(s, delim)
		| `Some i:
			slpush(&sp, s[:i])
			s = s[i + delim.len:]
		| `None:
			goto donesplit
		;;
	;;
:donesplit
	slpush(&sp, s[:])
	-> sp
}

const strtok = {s
	var i, j
	var toks

	i = 0
	toks = [][:]
	while i != s.len
		while isspace(std.decode(s[i:])) && i < s.len
			i++
		;;
		j = i
		while !std.isspace(std.decode(s[j:])) && j < s.len
			j++
		;;
		if i != j
			slpush(&toks, s[i:j])
		;;
		i = j
	;;
	-> toks
}